Timeline of attacks, hoaxes and disruptions across Northern Ireland
Concerns over packages spark security alerts at the law courts in Belfast and in the grounds of Stormont.
Stormont evacuated after a suspect parcel addressed to Secretary of State Theresa Villiers is found in the post sorting room.
Bomb defused in the Village area of south Belfast. A number of families are forced to evacuate their homes.
Letter bomb sent to the Public Prosecution Service office in Londonderry. The building is evacuated.
Viable devices found in packages addressed to Chief Constable Matt Baggott and senior PSNI officer in Londonderry.
Discovery of suspicious object leads to evacuation of a number of homes in the Antrim Road area of Belfast.
Device thrown at a patrol in Mill Road, Newtownabbey. Hoax bomb and a viable device found in follow-up search.
B&M Bargains in Belfast city centre gutted in arson attack. Dissident group Oglaigh na hEireann claims responsibility.
Dissidents abandon bomb in Lurgan close to special school. Nursery school evacuated in security alert in Holywood.
M1 shut for eight hours as Army bomb officers examine a suspicious vehicle on off-slip.
Traffic disrupted as controlled explosions are carried out on two suspicious objects found at Kennedy Way in Belfast.
Mortar bomb discovered close to Londonderry's main police station following a major security alert in the city.
Barry McCrory, aged 35, shot dead by gunman who entered his girlfriend's flat in Shipquay Street, Londonderry.
Residents forced to leave their homes because of a hoax bomb alert in the Silverstream Road area of north Belfast.
Dissidents murder father-of-four Kevin Kearney in broad daylight as he walks his dogs through a north Belfast park.
Families in Finaghy flee their homes during security alert. East Belfast office of MP Naomi Long also targeted by hoaxers.
Finaghy residents forced out of their homes for 24 hours after bomb hoax.
UVF are blamed for shooting 24-year-old Jemma McGrath in the lower abdomen, hips and knees in Lord Street Mews, east Belfast.
Around 50 people evacuated from their homes in the Markets area of Belfast after object resembling a pipe-bomb is found.
Ammunition cache found at Forkhill, south Armagh, after a tip-off. Security operation that follows lasts all day.
Dissidents leave pipe-bomb close to primary school in west Belfast. Hoax bomb sparks alert at Ballyclare police station.
Pipe-bomb found at TA base in south Belfast. Controlled explosions carried at Palace Barracks, Holywood, and north Belfast.
Controlled explosion is carried out on suspicious object near Dunadry, Co Antrim.
Mortar device found outside Cullyhanna, south Armagh. Army experts carry out controlled explosions.
One of the biggest weapon hauls in recent years – 16 guns and 800 rounds of ammunition – seized by police in Castlereagh.
Pipe-bomb sparks alert at Ballymena Showgrounds during stock car racing. Almost 700 people are evacuated.